
<p><b>syntax:</b> <i>smtp_capabilities</i> <i><b>“capability1” [“capability2” .. “capabilityN”] </b></i>
</p><p><b>default:</b> <i>no</i>
</p><p><b>context:</b> <i>main, server</i>
</p><p>With this directive you can set the list of SMTP protocol extensions presented to the client upon issuing the EHLO command. This list is automatically extended by the methods enabled with the directive smtp_auth.
</p><p>The current list of standardized SMTP expansions is published on www.iana.org .
</p>
<br><i>Module: NginxMailCoreModule</i>